| Open d'Angleterre | 2016/11/01 17:40 | Kai Schaefer v Holst, Emil | L | 2-0 |
| Indonesia Masters XD | 2018/02/16 10:30 | Holst, Emil v Heino, Iikka | W | 2-0 |
| Indonesia Masters XD | 2018/01/31 08:50 | Holst, Emil v Zulkarnain, I. | L | 0-2 |
| Indonesia Masters | 2018/01/24 10:20 | Avihingsanon, Suppanyu v Holst, Emil | L | 2-1 |
| Indonesia Masters XD | 2018/01/17 02:00 | Holst, Emil v Zii Jia Lee | L | 0-2 |
| Giraldilla Int. XD | 2017/12/15 09:30 | Myhre, Marius v Holst, Emil | L | 2-0 |
| Giraldilla Int. XD | 2017/11/24 17:00 | Holst, Emil v Corvee, Lucas | L | 0-2 |
| Giraldilla Int. XD | 2017/11/24 11:40 | Holst, Emil v Must, Raul | W | 2-0 |
| Indonesia Masters XD | 2017/11/23 10:40 | Holst, Emil v Yeoh, Seng Zoe | W | 2-0 |
| Indonesia Masters XD | 2018/02/16 14:45 | Kai Schaefer v Ludik, Milan | W | 2-1 |
| Giraldilla Int. XD | 2017/12/15 14:20 | Kim Bruun v Kai Schaefer | L | 2-0 |
| Giraldilla Int. XD | 2017/12/15 09:30 | Kai Schaefer v Merrilees, Kieran | W | 2-1 |
| Giraldilla Int. XD | 2017/12/07 10:30 | Kai Schaefer v Adrian Dziolko | L | 0-2 |
| Giraldilla Int. XD | 2017/12/06 14:00 | Kai Schaefer v Magee, Joshua | W | 2-1 |
| Indonesia Masters XD | 2017/11/01 19:15 | Kai Schaefer v Phetpradab, Khosit | L | 0-2 |
| Indonesia Masters XD | 2017/10/31 18:20 | Kai Schaefer v Zavadsky, Dmytro | W | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2017/10/24 14:40 | Kai Schaefer v Rouxel, Thomas | L | 0-2 |